12 Questions
Which part of the frontal bone usually disappears between the ages of six and eight?
Metopic suture
Which structure is found on the internal surface of the frontal squama?
Frontal crest
What is found on the external surface of the frontal bone?
Superciliary lines
Which part of the frontal bone forms the superior wall of the orbit?
Orbital parts
Which part of the frontal bone unites the left and right sides and usually disappears between the ages of six and eight?
Metopic suture
What is found on the external surface of the frontal bone and forms the superior wall of the orbit?
Supraorbital margin
Which part of the frontal bone contains the frontal sinus?
Nasal part (glabella)
What is found on the internal surface of the frontal squama and contains the foramen cecum?
Frontal crest
What unites the left and right sides of the frontal bone soon after birth?
Metopic suture
Which part of the frontal bone contains the frontal sinus?
Nasal part (glabella)
What is found on the internal surface of the frontal squama?
All of the above
What part of the frontal bone forms the superior wall of the orbit?
Orbital parts
Study Notes
Frontal Bone Structure
- The metopic suture, a fibrous joint, usually disappears between the ages of six and eight.
- The frontal squama's internal surface features the foramen cecum.
- The frontal bone's external surface is marked by the presence of the glabella, superciliary arches, and the superior orbital margins.
- The frontal squama forms the superior wall of the orbit.
- The metopic suture unites the left and right sides of the frontal bone, but typically disappears between the ages of six and eight.
- The frontal bone's external surface, specifically the frontal squama, forms the superior wall of the orbit.
- The frontal bone contains the frontal sinus.
- The foramen cecum is found on the internal surface of the frontal squama.
- The metopic suture unites the left and right sides of the frontal bone soon after birth.
- The frontal bone houses the frontal sinus.
- The frontal squama's internal surface features the foramen cecum.
- The frontal squama forms the superior wall of the orbit.
Test your knowledge of the frontal bone anatomy with this quiz. Explore the different parts of the frontal bone, including the frontal squama, orbital parts, and nasal part. Learn about the formation of the forehead, orbits, and cranial floor, as well as the metopic suture.
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